From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Alexander Graf <agraf@suse.de>
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>,
linuxppc-dev@lists.ozlabs.org,
David Gibson <david@gibson.dropbear.id.au>,
Paul Mackerras <paulus@samba.org>,
Alex Williamson <alex.williamson@redhat.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
kvm-ppc@vger.kernel.org
Subject: Re: [PATCH 6/8] KVM: PPC: Add support for multiple-TCE hcalls
Date: Thu, 11 Jul 2013 12:58:00 +0000 [thread overview]
Message-ID: <1373547480.19894.102.camel@pasglop> (raw)
In-Reply-To: <4133424D-B105-4CB1-A72A-4F47A6184DC7@suse.de>
On Thu, 2013-07-11 at 14:51 +0200, Alexander Graf wrote:
> I don't like bloat usually. But Alexey even had an #ifdef DEBUG in
> there to selectively disable in-kernel handling of multi-TCE. Not
> calling ENABLE_CAP would give him exactly that without ugly #ifdefs in
> the kernel.
I don't see much point in disabling it... but ok, if that's a valuable
feature, then shoot some VM level ENABLE_CAP (please don't iterate all
VCPUs, that's gross).
Ben.
WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Alexander Graf <agraf@suse.de>
Cc: kvm@vger.kernel.org, Alexey Kardashevskiy <aik@ozlabs.ru>,
linux-kernel@vger.kernel.org, kvm-ppc@vger.kernel.org,
Alex Williamson <alex.williamson@redhat.com>,
Paul Mackerras <paulus@samba.org>,
linuxppc-dev@lists.ozlabs.org,
David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [PATCH 6/8] KVM: PPC: Add support for multiple-TCE hcalls
Date: Thu, 11 Jul 2013 22:58:00 +1000 [thread overview]
Message-ID: <1373547480.19894.102.camel@pasglop> (raw)
In-Reply-To: <4133424D-B105-4CB1-A72A-4F47A6184DC7@suse.de>
On Thu, 2013-07-11 at 14:51 +0200, Alexander Graf wrote:
> I don't like bloat usually. But Alexey even had an #ifdef DEBUG in
> there to selectively disable in-kernel handling of multi-TCE. Not
> calling ENABLE_CAP would give him exactly that without ugly #ifdefs in
> the kernel.
I don't see much point in disabling it... but ok, if that's a valuable
feature, then shoot some VM level ENABLE_CAP (please don't iterate all
VCPUs, that's gross).
Ben.
WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Alexander Graf <agraf@suse.de>
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>,
linuxppc-dev@lists.ozlabs.org,
David Gibson <david@gibson.dropbear.id.au>,
Paul Mackerras <paulus@samba.org>,
Alex Williamson <alex.williamson@redhat.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
kvm-ppc@vger.kernel.org
Subject: Re: [PATCH 6/8] KVM: PPC: Add support for multiple-TCE hcalls
Date: Thu, 11 Jul 2013 22:58:00 +1000 [thread overview]
Message-ID: <1373547480.19894.102.camel@pasglop> (raw)
In-Reply-To: <4133424D-B105-4CB1-A72A-4F47A6184DC7@suse.de>
On Thu, 2013-07-11 at 14:51 +0200, Alexander Graf wrote:
> I don't like bloat usually. But Alexey even had an #ifdef DEBUG in
> there to selectively disable in-kernel handling of multi-TCE. Not
> calling ENABLE_CAP would give him exactly that without ugly #ifdefs in
> the kernel.
I don't see much point in disabling it... but ok, if that's a valuable
feature, then shoot some VM level ENABLE_CAP (please don't iterate all
VCPUs, that's gross).
Ben.
next prev parent reply other threads:[~2013-07-11 12:58 UTC|newest]
Thread overview: 160+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-06 15:06 [PATCH 0/8 v5] KVM: PPC: IOMMU in-kernel handling Alexey Kardashevskiy
2013-07-06 15:06 ` Alexey Kardashevskiy
2013-07-06 15:06 ` Alexey Kardashevskiy
2013-07-06 15:07 ` [PATCH 1/8] KVM: PPC: reserve a capability number for multitce support Alexey Kardashevskiy
2013-07-06 15:07 ` Alexey Kardashevskiy
2013-07-06 15:07 ` Alexey Kardashevskiy
2013-07-06 15:07 ` [PATCH 2/8] KVM: PPC: reserve a capability and ioctl numbers for realmode VFIO Alexey Kardashevskiy
2013-07-06 15:07 ` Alexey Kardashevskiy
2013-07-06 15:07 ` Alexey Kardashevskiy
2013-07-06 15:07 ` [PATCH 3/8] vfio: add external user support Alexey Kardashevskiy
2013-07-06 15:07 ` Alexey Kardashevskiy
2013-07-06 15:07 ` Alexey Kardashevskiy
2013-07-08 21:52 ` Alex Williamson
2013-07-08 21:52 ` Alex Williamson
2013-07-08 21:52 ` Alex Williamson
2013-07-09 5:40 ` Alexey Kardashevskiy
2013-07-09 5:40 ` Alexey Kardashevskiy
2013-07-09 5:40 ` Alexey Kardashevskiy
2013-07-09 14:08 ` Alex Williamson
2013-07-09 14:08 ` Alex Williamson
2013-07-09 14:08 ` Alex Williamson
2013-07-06 15:07 ` [PATCH 4/8] powerpc: Prepare to support kernel handling of IOMMU map/unmap Alexey Kardashevskiy
2013-07-06 15:07 ` Alexey Kardashevskiy
2013-07-06 15:07 ` Alexey Kardashevskiy
2013-07-08 1:33 ` Benjamin Herrenschmidt
2013-07-08 1:33 ` Benjamin Herrenschmidt
2013-07-08 1:33 ` Benjamin Herrenschmidt
2013-07-08 1:33 ` Benjamin Herrenschmidt
2013-07-09 15:54 ` Alexander Graf
2013-07-09 15:54 ` Alexander Graf
2013-07-09 15:54 ` Alexander Graf
2013-07-09 15:54 ` Alexander Graf
2013-07-06 15:07 ` [PATCH 5/8] powerpc: add real mode support for dma operations on powernv Alexey Kardashevskiy
2013-07-06 15:07 ` Alexey Kardashevskiy
2013-07-06 15:07 ` Alexey Kardashevskiy
2013-07-08 4:44 ` [PATCH v2] " Alexey Kardashevskiy
2013-07-08 4:44 ` Alexey Kardashevskiy
2013-07-08 7:20 ` Benjamin Herrenschmidt
2013-07-08 7:20 ` Benjamin Herrenschmidt
2013-07-08 7:31 ` Alexey Kardashevskiy
2013-07-08 7:31 ` Alexey Kardashevskiy
2013-07-08 7:40 ` Benjamin Herrenschmidt
2013-07-08 7:40 ` Benjamin Herrenschmidt
2013-07-09 16:02 ` [PATCH 5/8] " Alexander Graf
2013-07-09 16:02 ` Alexander Graf
2013-07-09 16:02 ` Alexander Graf
2013-07-10 3:17 ` Alexey Kardashevskiy
2013-07-10 3:17 ` Alexey Kardashevskiy
2013-07-10 3:17 ` Alexey Kardashevskiy
2013-07-10 3:37 ` Benjamin Herrenschmidt
2013-07-10 3:37 ` Benjamin Herrenschmidt
2013-07-10 3:37 ` Benjamin Herrenschmidt
2013-07-06 15:07 ` [PATCH 6/8] KVM: PPC: Add support for multiple-TCE hcalls Alexey Kardashevskiy
2013-07-06 15:07 ` Alexey Kardashevskiy
2013-07-06 15:07 ` Alexey Kardashevskiy
2013-07-09 17:02 ` Alexander Graf
2013-07-09 17:02 ` Alexander Graf
2013-07-09 17:02 ` Alexander Graf
2013-07-10 5:00 ` Alexey Kardashevskiy
2013-07-10 5:00 ` Alexey Kardashevskiy
2013-07-10 5:00 ` Alexey Kardashevskiy
2013-07-10 10:05 ` Alexander Graf
2013-07-10 10:05 ` Alexander Graf
2013-07-10 10:05 ` Alexander Graf
2013-07-11 5:12 ` Alexey Kardashevskiy
2013-07-11 5:12 ` Alexey Kardashevskiy
2013-07-11 5:12 ` Alexey Kardashevskiy
2013-07-11 10:11 ` Alexander Graf
2013-07-11 10:11 ` Alexander Graf
2013-07-11 10:11 ` Alexander Graf
2013-07-11 10:54 ` Alexey Kardashevskiy
2013-07-11 10:54 ` Alexey Kardashevskiy
2013-07-11 10:54 ` Alexey Kardashevskiy
2013-07-11 11:15 ` Alexander Graf
2013-07-11 11:15 ` Alexander Graf
2013-07-11 11:15 ` Alexander Graf
2013-07-11 12:39 ` Benjamin Herrenschmidt
2013-07-11 12:39 ` Benjamin Herrenschmidt
2013-07-11 12:39 ` Benjamin Herrenschmidt
2013-07-11 12:51 ` Alexander Graf
2013-07-11 12:51 ` Alexander Graf
2013-07-11 12:51 ` Alexander Graf
2013-07-11 12:56 ` Alexey Kardashevskiy
2013-07-11 12:56 ` Alexey Kardashevskiy
2013-07-11 12:56 ` Alexey Kardashevskiy
2013-07-11 12:58 ` Benjamin Herrenschmidt [this message]
2013-07-11 12:58 ` Benjamin Herrenschmidt
2013-07-11 12:58 ` Benjamin Herrenschmidt
2013-07-11 13:13 ` Alexey Kardashevskiy
2013-07-11 13:13 ` Alexey Kardashevskiy
2013-07-11 13:13 ` Alexey Kardashevskiy
2013-07-11 13:21 ` Alexander Graf
2013-07-11 13:21 ` Alexander Graf
2013-07-11 13:21 ` Alexander Graf
2013-07-11 12:40 ` Benjamin Herrenschmidt
2013-07-11 12:40 ` Benjamin Herrenschmidt
2013-07-11 12:40 ` Benjamin Herrenschmidt
2013-07-11 12:38 ` Benjamin Herrenschmidt
2013-07-11 12:38 ` Benjamin Herrenschmidt
2013-07-11 12:38 ` Benjamin Herrenschmidt
2013-07-11 12:33 ` Benjamin Herrenschmidt
2013-07-11 12:33 ` Benjamin Herrenschmidt
2013-07-11 12:33 ` Benjamin Herrenschmidt
2013-07-11 13:11 ` Alexander Graf
2013-07-11 13:11 ` Alexander Graf
2013-07-11 13:11 ` Alexander Graf
2013-07-06 15:07 ` [PATCH 7/8] KVM: PPC: Add support for IOMMU in-kernel handling Alexey Kardashevskiy
2013-07-06 15:07 ` Alexey Kardashevskiy
2013-07-06 15:07 ` Alexey Kardashevskiy
2013-07-09 17:06 ` Alexander Graf
2013-07-09 17:06 ` Alexander Graf
2013-07-09 17:06 ` Alexander Graf
2013-07-06 15:07 ` [PATCH 8/8] KVM: PPC: Add hugepage " Alexey Kardashevskiy
2013-07-06 15:07 ` Alexey Kardashevskiy
2013-07-06 15:07 ` Alexey Kardashevskiy
2013-07-09 17:32 ` Alexander Graf
2013-07-09 17:32 ` Alexander Graf
2013-07-09 17:32 ` Alexander Graf
2013-07-09 23:29 ` Alexey Kardashevskiy
2013-07-09 23:29 ` Alexey Kardashevskiy
2013-07-09 23:29 ` Alexey Kardashevskiy
2013-07-10 10:33 ` Alexander Graf
2013-07-10 10:33 ` Alexander Graf
2013-07-10 10:33 ` Alexander Graf
2013-07-10 10:39 ` Benjamin Herrenschmidt
2013-07-10 10:39 ` Benjamin Herrenschmidt
2013-07-10 10:39 ` Benjamin Herrenschmidt
2013-07-10 10:40 ` Alexander Graf
2013-07-10 10:40 ` Alexander Graf
2013-07-10 10:40 ` Alexander Graf
2013-07-10 10:42 ` Alexander Graf
2013-07-10 10:42 ` Alexander Graf
2013-07-10 10:42 ` Alexander Graf
2013-07-11 8:57 ` Alexey Kardashevskiy
2013-07-11 8:57 ` Alexey Kardashevskiy
2013-07-11 8:57 ` Alexey Kardashevskiy
2013-07-11 9:52 ` Alexander Graf
2013-07-11 9:52 ` Alexander Graf
2013-07-11 9:52 ` Alexander Graf
2013-07-11 12:37 ` Benjamin Herrenschmidt
2013-07-11 12:37 ` Benjamin Herrenschmidt
2013-07-11 12:37 ` Benjamin Herrenschmidt
2013-07-11 12:50 ` Alexander Graf
2013-07-11 12:50 ` Alexander Graf
2013-07-11 12:50 ` Alexander Graf
2013-07-11 12:56 ` Benjamin Herrenschmidt
2013-07-11 12:56 ` Benjamin Herrenschmidt
2013-07-11 12:56 ` Benjamin Herrenschmidt
2013-07-11 13:41 ` chandrashekar shastri
2013-07-11 13:53 ` chandrashekar shastri
2013-07-11 13:41 ` chandrashekar shastri
2013-07-11 13:44 ` Alexander Graf
2013-07-11 13:44 ` Alexander Graf
2013-07-11 13:44 ` Alexander Graf
2013-07-11 13:46 ` Alexey Kardashevskiy
2013-07-11 13:46 ` Alexey Kardashevskiy
2013-07-11 13:46 ` Alexey Kardashevskiy
-- strict thread matches above, loose matches on Subject: below --
2013-06-27 5:02 [PATCH 0/8 v4] KVM: PPC: " Alexey Kardashevskiy
2013-06-27 5:02 ` [PATCH 6/8] KVM: PPC: Add support for multiple-TCE hcalls Alexey Kardashevskiy
2013-06-27 5:02 ` Alexey Kardashevskiy
2013-06-27 5:02 ` Alexey Kardashevskiy
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1373547480.19894.102.camel@pasglop \
--to=benh@kernel.crashing.org \
--cc=agraf@suse.de \
--cc=aik@ozlabs.ru \
--cc=alex.williamson@redhat.com \
--cc=david@gibson.dropbear.id.au \
--cc=kvm-ppc@vger.kernel.org \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=paulus@samba.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.